ITT Goulds Pumps 3700 Installation, Operation And Maintenance Manual Download Page 76

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109A Thrust-bearing end cover
122 Shaft
123A Thrust deflector
228 Bearing frame
358E Oil ring inspection plug
360A Gasket
370N Bearing-frame screw
390C Thrust-bearing end-cover shim
469P Oil ring retainer

Figure 44: Thrust bearing end cover removal

Figure 45: Thrust bearing end cover shims

Remove and discard the thrust-bearing end-cover shims.

6.4 Disassembly

Model 3700, 3703, 3710, 3700LF, 3700LFI API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Instal-

lation, Operation, and Maintenance Manual

Summary of Contents for Goulds Pumps 3700

Page 1: ...Installation Operation and Maintenance Manual Model 3700 3703 3710 3700LF 3700LFI API Type OH2 ISO 13709 1st and 2nd Ed API 610 8 9 10 11th Ed ...

Page 2: ......

Page 3: ...tallation 19 4 1 1 Pump location guidelines 19 4 1 2 Foundation requirements 20 4 2 Baseplate mounting procedures 21 4 2 1 Prepare the baseplate for mounting 21 4 2 2 Prepare the foundation for mounting 21 4 2 3 Install the baseplate using jackscrews 21 4 3 Install the pump driver and coupling 23 4 4 Pump to driver alignment 23 4 4 1 Alignment checks 24 4 4 2 Permitted indicator values for alignme...

Page 4: ... Disassembly 65 6 4 1 Disassembly precautions 65 6 4 2 Tools required 65 6 4 3 Drain the pump 66 6 4 4 Remove the back pull out assembly 66 6 4 5 Remove the coupling hub 67 6 4 6 Remove the impeller 3700 3710 68 6 4 7 Remove the impeller 3703 68 6 4 8 Remove the impeller 3700LF 3700LFI 69 6 4 9 Remove venturi insert 70 6 4 10 Remove the seal chamber cover 70 6 4 11 Remove the optional water jacket...

Page 5: ...he coupling hub 110 6 6 11 Install the back pull out assembly in the casing 111 6 6 12 Install the Venturi Insert 3700LFI only 112 6 6 13 Post assembly checks 112 6 6 14 Assembly references 113 7 Troubleshooting 118 7 1 Operation troubleshooting 118 7 2 Alignment troubleshooting 119 7 3 Assembly troubleshooting 119 8 Parts Listings and Cross Sectionals 120 8 1 Parts list 120 9 Local ITT Contacts 1...

Page 6: ...lers propellers or their retaining devices can cause trapped liquid to rapidly expand and result in a violent explosion This manual clearly identifies accepted methods for disassembling units These methods must be adhered to Never apply heat to aid in their removal unless explicitly stated in this manual The operator must be aware of the pumpage and take appropriate safety precautions to prevent p...

Page 7: ...hange the service application without the approval of an authorized ITT representative 1 2 1 Safety terminology and symbols About safety messages It is extremely important that you read understand and follow the safety messages and regulations carefully before handling the product They are published to help prevent these hazards Personal accidents and health problems Damage to the product Product ...

Page 8: ...lear radi ation do NOT send the product to ITT until it has been properly decontaminated and advise ITT of these conditions before returning Electrical installation For electrical installation recycling requirements consult your local electric utility 1 2 2 1 Recycling guidelines Always follow local laws and regulations regarding recycling 1 2 3 User safety General safety rules These safety rules ...

Page 9: ... sure that the product cannot roll or fall over and injure people or damage property Make sure that the lifting equipment is in good condition Use a lifting harness a safety line and a breathing device as required Make sure that the product is thoroughly clean Make sure that there are no poisonous gases within the work area Make sure that you have quick access to a first aid kit Disconnect and loc...

Page 10: ... its in tended hydraulic range The conditions of the service must not be changed without approval of an au thorized ITT representative When installing or maintaining explosion proof pumps follow these guide lines Always install ATEX approved equipment in compliance with the directive and applicable stand ards Do not install explosion proof products in locations that are classified as hazardous in ...

Page 11: ...cuits are normally required for the automatic level control system by the level regulator if mounted in zone 0 The yield stress of fasteners must be in accordance with the approval drawing and the product specification Do not modify the equipment without approval from an authorized ITT representative Only use parts that have been provided by an authorized ITT representative Equipment for monitorin...

Page 12: ...sulting ITT Incorrectly executed repair work Normal wear and tear ITT assumes no liability for these situations Bodily injuries Material damages Economic losses Warranty claim ITT products are high quality products with expected reliable operation and long life However should the need arise for a warranty claim then contact your ITT representative 1 3 Product warranty 10 Model 3700 3703 3710 3700L...

Page 13: ...ury Ensure that the unit is properly supported and secure during lifting and handling CAUTION Risk of injury or equipment damage from use of inadequate lifting devices Ensure lifting devi ces such as chains straps forklifts cranes etc are rated to sufficient capacity 2 2 2 Lifting methods WARNING Risk of serious personal injury or equipment damage Proper lifting practices are critical to safe tran...

Page 14: ...ndles Lift the pump by the handles A base mounted pump Use slings under the pump casing and the drive unit or under the base rails Examples Figure 1 Example of a proper lifting method Figure 2 Example of a proper lifting method 2 2 Transportation guidelines 12 Model 3700 3703 3710 3700LF 3700LFI API Type OH2 ISO 13709 1st and 2nd Ed API 610 8 9 10 11th Ed Instal lation Operation and Maintenance Ma...

Page 15: ...ery three months Treat bearing and machined surfaces so that they are well preserved Refer to drive unit and coupling manufacturers for their long term storage procedures You can purchase long term storage treatment with the initial unit order or you can purchase it and apply it after the units are already in the field Contact your local ITT sales representative 2 4 Frostproofing Table 2 Situation...

Page 16: ...ng flanges are also available ANSI Class 300 flat face serrated ANSI Class 300 ring joint ANSI Class 600 flat face serrated ANSI Class 600 ring joint Impeller Flange Orientation End Suction 3700 3700LF 3703 3700LFI Top Suction 3710 The impeller is fully enclosed and key driven by the shaft One of the following parts prevents axial movement Impeller bolt with a lockwasher Impeller nut with a lockin...

Page 17: ...ts of a duplex angular contact bearing which uses a pair of single row angular con tact ball bearings mounted back to back Shouldered and locked to the shaft Retained in the bearing frame to enable it to carry radial and thrust loads All fits are precision machined to industry standards Baseplate The fabricated steel baseplate supports the pump driver and accessories in accordance with API 610 11t...

Page 18: ...ate The nameplate provides information about the IECEx specifications of this pump Nameplate on the pump casing using English units Figure 5 Nameplate on the pump casing using English units Nameplate field Explanation MODEL Pump model SIZE Size of the pump FLOW Rated pump flow in gallons per minute HEAD Rated pump head in feet RPM Rated pump speed in revolutions per minute HYDRO PRESS Hydrostatic ...

Page 19: ... contract or item number IMP DIA Rated impeller diameter millimeters MAX DIA Maximum impeller diameter millimeters STD DIM Standard ANSI dimensional code MAT L Material of construction Nameplate on the bearing frame Figure 7 Nameplate on the bearing frame Table 4 Explanation of the nameplate on the bearing frame Nameplate field Explanation BRG O B Outboard bearing designation BRG I B Inboard beari...

Page 20: ...efore proceed ing WARNING Use of equipment unsuitable for the environment can pose risks of ignition and or explosion Ensure the pump driver and all other auxiliary components meet the required area classifica tion at the site If they are not compatible do not operate the equipment and contact an ITT representative before proceeding 3 2 Nameplate information 18 Model 3700 3703 3710 3700LF 3700LFI ...

Page 21: ...ou require lifting equipment such as a hoist or tackle make sure that there is enough space above the pump This makes it easier to properly use the lifting equipment and safely remove and relocate the components to a safe location Protect the unit from weather and water damage due to rain flooding and freezing temperatures This is applicable if nothing else is specified Do not install and operate ...

Page 22: ...hen you tighten the foundation bolts Sleeve type bolts 1 2 3 4 5 6 Item Description 1 Baseplate 2 Shims 3 Foundation 4 Sleeve 5 Dam 6 Bolt Figure 9 Sleeve type bolts J type bolts 1 3 2 4 5 Item Description 1 Baseplate 2 Shims or wedges 3 Foundation 4 Dam 5 Bolt Figure 10 J type bolts 4 1 Pre installation 20 Model 3700 3703 3710 3700LF 3700LFI API Type OH2 ISO 13709 1st and 2nd Ed API 610 8 9 10 11...

Page 23: ...mi nation If necessary use a honing stone to remove burrs 4 2 2 Prepare the foundation for mounting 1 Chip the top of the foundation to a minimum of 25 0 mm 1 0 in in order to remove porous or low strength concrete If you use a pneumatic hammer make sure that it does not contaminate the surface with oil or other moisture NOTICE Do not chip the foundation using heavy tools such as jackhammers This ...

Page 24: ...kscrews do not touch the foundation surface yet 1 2 3 4 Item Description 1 Jackscrew 2 Baseplate 3 Foundation 4 Plate Figure 11 Jackscrews 3 Level the driver mounting pads NOTICE Remove all dirt from the mounting pads in order to ensure that the correct leveling is achieved Failure to do so can result in equipment damage or decreased performance a Put one machinist s level lengthwise on one of the...

Page 25: ...Use applicable bolts and hand tighten 3 Install the coupling See the installation instructions from the coupling manufacturer 4 4 Pump to driver alignment Precautions WARNING Failure to disconnect and lock out driver power may result in serious physical injury or death Always disconnect and lock out power to the driver before performing any installa tion or maintenance tasks Electrical connections...

Page 26: ...ating temperature Periodically This follows the plant operating procedures 4 4 2 Permitted indicator values for alignment checks NOTICE The specified permitted reading values are valid only at operating temperature For cold set tings other values are permitted The correct tolerances must be used Failure to do so can result in misalignment Contact ITT for further information IMPORTANT For electric ...

Page 27: ...ete this procedure 1 Attach two dial indicators on the pump coupling half X a Attach one indicator P so that the indicator rod comes into contact with the perimeter of the driver coupling half Y This indicator is used to measure parallel misalignment b Attach the other indicator A so that the indicator rod comes into contact with the inner end of the driver coupling half This indicator is used to ...

Page 28: ...alignment for a horizontal correction 1 Set the angular alignment indicator A to zero on left side of the driver coupling half Y 90 from the top center position 9 o clock 2 Rotate the indicator through the top center position to the right side 180 from the start position 3 o clock 3 Record the indicator reading When the reading value is Then Negative The coupling halves are farther apart on the ri...

Page 29: ...llel alignment indicator P to zero at the top center position 12 o clock of the driver coupling half Y 2 Rotate the indicator to the bottom center position 6 o clock 3 Record the indicator reading When the read ing value is Then Negative The pump coupling half X is lower than the driver coupling half Y Remove shims of a thickness equal to half of the indicator reading value under each driver foot ...

Page 30: ...he indicator reading When the reading value is Then Negative The driver coupling half Y is to the left of the pump coupling half X Positive The driver coupling half Y is to the right of the pump coupling half X 4 Slide the driver carefully in the appropriate direction NOTICE Make sure to slide the driver evenly Failure to do so can negatively affect horizontal angular correction Figure 16 Example ...

Page 31: ...tted reading values 4 5 Grout the baseplate Required equipment Cleaners Do not use an oil based cleaner because the grout will not bond to it See the instructions provided by the grout manufacturer Grout Non shrink grout is recommended NOTICE It is assumed that the installer who grouts the baseplate has knowledge of acceptable meth ods More detailed procedures are described in various publications...

Page 32: ...s and nuts are critical to the safe and reliable operation of the product Ensure appropriate use of fasten ers during installation or reassembly of the unit Use fasteners of the proper size and material only Replace all corroded fasteners Ensure that all fasteners are properly tightened and that there are no missing fas teners CAUTION Do not move the pump to the pipe This could make final alignmen...

Page 33: ...mm 0 03 in max Concentric You can easily install the flange bolts by hand The above criteria are based on the following references from API RP 686 2nd Edition 4 6 3 The machine and piping flange faces shall be parallel to less than 10 micrometers per centimeter 0 001 in per in of pipe flange outer diameter up to a maximum of 750 micrometers 0 030 in For piping flange outer diameters smaller than 2...

Page 34: ...tion in let of the pump due to turbulence See the Example sections for illustrations Check that elbows in general do not have sharp bends See the Example sections for illustrations Check that the suction piping is one or two sizes larger than the suction inlet of the pump Install an eccentric reducer between the pump inlet and the suction piping The suction piping must never have a smaller diame t...

Page 35: ...s at least equiva lent to the diameter of the suction piping Liquid source above the pump Check Explanation comment Checked Check that an isolation valve is installed in the suction piping at a distance of at least two times the pipe diameter from the suc tion inlet This permits you to close the line during pump inspec tion and maintenance Do not use the isolation valve to throttle the pump Thrott...

Page 36: ... 1 Suction pipe sloping upwards from liquid source 2 Long radius elbow 3 Strainer 4 Foot valve 5 Eccentric reducer with a level top 1 1 Air pocket because the eccentric reducer is not used and because the suction piping does not slope gradually upward from the liquid source 4 6 Piping checklists 34 Model 3700 3703 3710 3700LF 3700LFI API Type OH2 ISO 13709 1st and 2nd Ed API 610 8 9 10 11th Ed Ins...

Page 37: ... damage to the pump and seal due to the back flow through the pump when the drive unit is shut off It is also used to restrain the liquid flow See Example Discharge piping equipment for illustra tions If increasers are used check that they are installed between the pump and the check valve See Example Discharge piping equipment for illustra tions If quick closing valves are installed in the system...

Page 38: ... to install You may need to install auxiliary piping for bearing cooling seal chamber cover cooling mechanical seal flush or other special features supplied with the pump Consult the pump data sheet for specific auxiliary piping recommendations Checklist Check Explanation comment Checked Check that the minimum flow for each component is 4 lpm 1 gpm If the bearing and seal chamber cover cooling are...

Page 39: ... shaft failure and or loss of prime WARNING Foreign objects in the pumped liquid or piping system can block the flow and cause ex cess heat generation sparks and premature failure Make sure that the pump and sys tems are free of foreign objects before and during operation A build up of gases within the pump sealing system or process piping system may result in an explosive environment Make sure th...

Page 40: ...recautions before you start the pump Flush and clean the system thoroughly to remove dirt or debris in the pipe system in order to prevent premature failure at initial startup Bring variable speed drivers to the rated speed as quickly as possible Run a new or rebuilt pump at a speed that provides enough flow to flush and cool the close running surfaces of the stuffing box bushing If temperatures o...

Page 41: ...late 3 Driver 4 Pump half of the coupling guard 5 3 Check the rotation WARNING Starting the pump in reverse rotation can result in the contact of metal parts heat genera tion and breach of containment Ensure correct driver settings prior to starting any pump Failure to disconnect and lock out driver power may result in serious physical injury or death Always disconnect and lock out power to the dr...

Page 42: ...onment Use the instructions from the coupling manufacturer in order to lubricate and install the coupling Refer to driver coupling gear manufacturers IOM for specific instructions and recommendations 5 4 1 Coupling guard assembly Precautions WARNING The coupling guard used in an ATEX classified environment must be con structed from a spark resistant material Misalignment can cause decreased perfor...

Page 43: ... 6 3 8 16 x 2 in hex head bolt 3 required Figure 18 Required parts 5 4 1 1 Install the coupling guard 1 Is the end plate pump end already installed If yes Make any necessary coupling adjustments and then proceed to Step 2 If no Complete these steps a Remove the spacer portion of the coupling Refer to the instructions from the coupling manufacturer for assistance b If the coupling hub diameter is l...

Page 44: ...Refer to the instructions from the coupling manufacturer for assistance Complete any coupling adjustments before you proceed with the coupling guard assembly 2 Slightly spread the opening of the coupling guard half and place it over the pump end plate The annular groove in the guard is located around the end plate Position the opening flange so that it does not interfere with the piping but still ...

Page 45: ... Nut 2 Washer 3 Bolt This figure shows an assembled unit 1 2 Item Description 1 Driver 2 Coupling guard half Figure 21 Coupling guard 6 Slightly spread the opening of the remaining coupling guard half and place it over the installed cou pling guard half so that the annular groove in the remaining coupling guard half faces the driver 5 4 Couple the pump and driver Model 3700 3703 3710 3700LF 3700LF...

Page 46: ...ce the end plate over the driver shaft and locate the end plate in the annular groove at the rear of the coupling guard half 5 4 Couple the pump and driver 44 Model 3700 3703 3710 3700LF 3700LFI API Type OH2 ISO 13709 1st and 2nd Ed API 610 8 9 10 11th Ed Instal lation Operation and Maintenance Manual ...

Page 47: ...ear coupling guard half towards the motor so that it completely covers the shafts and cou pling 1 2 Item Description 1 Driver 2 Slide to fit Figure 24 Slide to fit 10 Repeat Steps 3 through 5 4 1 1 Install the coupling guard on page 41 for the center slots in the coupling guard 5 4 Couple the pump and driver Model 3700 3703 3710 3700LF 3700LFI API Type OH2 ISO 13709 1st and 2nd Ed API 610 8 9 10 1...

Page 48: ... the diameter of the opening in the deflector fan guard support then remove the coupling hub c Loosen the thrust deflector fan set screw 122 Shaft 123B Radial deflector fan 123E Thrust deflector fan 222 Deflector set screw 228 Bearing frame 234 Thrust deflector fan guard 234D Thrust deflector fan guard support 496Q Support screws Figure 25 Coupling guard with optional air cooling package d Slide t...

Page 49: ...oles in the guard support 122 Shaft 123E Thrust deflector fan 234 Thrust deflector fan guard 234D Thrust deflector fan guard 496Q Support screws Figure 26 Thrust deflector fan guard installation 2 Install the thrust deflector fan guard and support screws and tighten to the torque values shown in the Maximum torque values for 3700 fasteners table 3 Replace the coupling hub if removed and spacer por...

Page 50: ...gure 28 Opening flange location 5 Place one washer over the bolt and insert the bolt through the round hole at the front end of the guard half 6 Place a second washer over the exposed end of the bolt and tighten it firmly 7 Thread a nut onto the exposed end of the bolt and tighten it firmly This figure shows the proper sequence of components 5 4 Couple the pump and driver 48 Model 3700 3703 3710 3...

Page 51: ...the opening of the remaining coupling guard half and place it over the installed cou pling guard half so that the annular groove in the remaining coupling guard half faces the driver 5 4 Couple the pump and driver Model 3700 3703 3710 3700LF 3700LFI API Type OH2 ISO 13709 1st and 2nd Ed API 610 8 9 10 11th Ed Instal lation Operation and Maintenance Manual 49 ...

Page 52: ...river shaft and locate the end plate in the annular groove at the rear of the coupling guard half 1 2 1 Annular groove 2 End plate Figure 31 End plate installation 5 4 Couple the pump and driver 50 Model 3700 3703 3710 3700LF 3700LFI API Type OH2 ISO 13709 1st and 2nd Ed API 610 8 9 10 11th Ed Instal lation Operation and Maintenance Manual ...

Page 53: ...ubricated prior to startup Pumps are shipped without oil You must lubricate oil lubricated bearings at the job site Ring oil lubrication Ring oil lubricated bearings are standard Bearing housings are supplied with constant level oilers and sight glasses Make sure that oil ring properly seated in the grooves in the shaft Pure or purge oil mist lubrication Pure or purge oil mist are optional feature...

Page 54: ...il of ISO viscosity grade 68 at 38 C 100 F If temperatures exceed 82 C 180 F refer to the table for temperature requirements Temperature Oil requirement Bearing temperatures exceed 82 C 180 F Use ISO viscosity grade 100 Bearing temperatures are generally about 11 C 20 F higher than bearing housing outer surface temperatures Pumped fluid temperatures are ex treme Refer to the factory or a lubricati...

Page 55: ...it reaches the optimum fluid level visible in the bullseye sight b Fill the watchdog reservoir using a funnel c Verify o ring is on the Watchdog oiler spout d Place your thumb over the reservoir spout Invert and insert the spout into the internal threaded boss on the main body e Tighten reservoir Do not over tighten f Verify that proper oil level is maintained per the following diagram NOTICE Do n...

Page 56: ... the shaft slowly by hand 2 Flush the bearing housing with the proper lubricating oil to ensure oil quality after cleaning 3 Refer to Reassembly section for proper bearing greasing procedure 5 5 Shaft sealing with a mechanical seal Precautions WARNING The mechanical seal used in an Ex classified environment must be properly certified NOTICE The mechanical seal must have an appropriate seal flush s...

Page 57: ...er for instal lation and setting 5 6 Connection of sealing liquid for mechanical seals Seal lubrication is required Seal faces must have liquid film between them for proper lubrication Locate the taps using the illustra tions shipped with the seal Seal flushing methods Table 6 You can use these methods in order to flush or cool the seal Method Description Product flush Run the piping so that the p...

Page 58: ...ow the pump Use a foot valve and an outside source of liquid in order to prime the pump The liquid can come from one of these sources A priming pump A pressurized discharge line Another outside supply 1 Close the discharge isolation valve 2 Open the air vent valves in the casing 3 Open the valve in the outside supply line until only liquid escapes from the vent valves 4 Close the vent valves 5 Clo...

Page 59: ...upply 4 Foot valve 5 Check valve Figure 36 Pump priming with suction supply below pump with foot valve and an outside supply 5 7 Pump priming Model 3700 3703 3710 3700LF 3700LFI API Type OH2 ISO 13709 1st and 2nd Ed API 610 8 9 10 11th Ed Instal lation Operation and Maintenance Manual 57 ...

Page 60: ...re and breach of containment Ensure all flush and cool ing systems are operating correctly prior to starting pump NOTICE Risk of equipment damage due to dry operation Immediately observe the pressure gauges If discharge pressure is not quickly attained stop the driver immediately reprime and attempt to restart the pump On frame mounted units ensure that the oil level is correct prior to starting p...

Page 61: ...lutions to this problem 7 Repeat steps 5 and 6 until the pump runs properly 5 9 Pump operation precautions General considerations NOTICE On ring oil lubricated pumps remove oil ring viewing port plugs to verify the following The oil rings are properly positioned in the grooves on the shaft The oil rings are turning The oil rings are throwing oil NOTICE Vary the capacity with the regulating valve i...

Page 62: ...f explosion and serious physical injury Do not operate pump with blocked system piping or with suction or discharge valves closed This can result in rapid heating and va porization of pumpage Risk of equipment damage and serious physical injury Heat build up can cause rotating parts to score or seize Observe pump for excessive heat build up If normal levels are exceeded shut down and resolve Risk ...

Page 63: ...ous injury Proper alignment is the responsibility of the installer and the user of the unit Check the alignment of all drive components prior to operating the unit Follow the coupling installation and operation procedures from the coupling manu facturer You must check the final alignment after the pump and driver are at operating temperature For initial alignment instructions see the Installation ...

Page 64: ...pedestal Doing so can result in leakage of cooling water 2 Clean all burrs and metal chips from the holes 3 Ream the holes with a number 7 taper pin reamer to the proper fit with the taper dowel pins Insert the pins deep enough that only the threaded portion is exposed when the pin is fully seated 4 Seat the taper pins firmly in the holes with a hardwood block or soft faced hammer NOTICE Always re...

Page 65: ...ping for leaks Analyze the vibration Inspect the discharge pressure Inspect the temperature Check the seal chamber and stuffing box for leaks Ensure that there are no leaks from the mechanical seal Adjust or replace the packing in the stuffing box if you notice excessive leaking NOTICE If equipped temperature and vibration levels can be retrieved by using your i ALERT monitor ing sensor and app Th...

Page 66: ...nical seal maintenance WARNING The mechanical seal used in an Ex classified environment must be properly certified CAUTION Running a mechanical seal dry even for a few seconds can cause seal failure and physical injury Never operate the pump without liquid supplied to the mechanical seal Cartridge type mechanical seals Cartridge type mechanical seals are commonly used Cartridge seals are preset by...

Page 67: ...in this manual Handling heavy equipment poses a crush hazard Use caution during handling and wear appropriate Personal Protective Equipment PPE such as steel toed shoes gloves etc at all times Precautions must be taken to prevent physical injury The pump may handle hazardous and or toxic fluids Proper personal protective equipment should be worn Pumpage must be handled and disposed of in conforman...

Page 68: ...fting and handling and wear appropriate Personal Protective Equipment PPE such as steel toed shoes gloves etc at all times Seek assistance if necessary 1 The back pull out assembly consists of all parts except the casing 100 and casing insert 100W 3700LFI only The casing 100 can remain on the foundation and in the piping if it is not the cas ing itself which must be repaired Drain the casing by re...

Page 69: ...Secure the back pull out assembly to prevent movement during transport 8 Transport the back pull out assembly to a clean work area for further disassembly 6 4 5 Remove the coupling hub 1 If the coupling hub overhangs the shaft mark the shaft for relocating the coupling hub during reas sembly Coupling hubs are normally mounted flush with the end of the shaft 2 Remove the coupling hub using a spanni...

Page 70: ...aft Use a spanning type puller if required 4 Remove the impeller key Save the key for reassembly unless it is damaged 6 4 7 Remove the impeller 3703 CAUTION Risk of physical injury from sharp edges Wear heavy work gloves when handling impellers 1 Loosen the set screw at the end of the impeller nut 2 Loosen and remove the impeller nut The impeller nut has left hand threads 6 4 Disassembly 68 Model ...

Page 71: ...vy work gloves when handling impellers 1 Loosen and remove the impeller capscrew The impeller capscrew has left hand threads 2 Pull the impeller from the shaft Use a spanning type puller if required 198 122 443A 198 Impeller capscrew 443A Impeller spacer 122 Shaft Figure 40 Impeller removal 3 Remove the impeller key Save the key for reassembly unless it is damaged 4 Remove the impeller spacer Save...

Page 72: ... the cartridge mechanical seal away from the seal chamber cover 3 Install the eyebolt in the tapped hole provided in the seal chamber cover 4 Rig the lifting sling to the eyebolt and the overhead lifting device 5 Loosen and remove the seal chamber cover and the bearing frame bolts 6 Separate the seal chamber cover from the bearing frame by tapping on the cover flange with a hardwood block or a sof...

Page 73: ...ater jacket cover to be propelled from its fit in the seal chamber cover Do not exceed 7 0 kg cm2 100 psig pressure in the water jacket 1 Suspend the seal chamber cover from the lifting sling or firmly support the seal chamber cover in a vertical position such that one water jacket connection is on the top and the other is on the bottom 2 Slowly replace all the air with water until all air is vent...

Page 74: ...er as ring oil lubri cated power ends Oil rings are not furnished with pure oil mist lubrication Disregard any references to those parts 1 Does your power end have an optional air cooling package If no Go to step 2 If yes a Loosen the radial heat flinger set screw b Loosen the thrust fan set screw The thrust fan for the SA and MA pumps sits on the coupling diameter c Slide the thrust fan off the s...

Page 75: ...guard support removal 2 Loosen and remove the thrust bearing end cover and bearing frame screws 3 Pry the thrust bearing end cover thrust deflector out of the bearing frame SA and MA thrust bearing end covers are sealed to the bearing frame with a gasket 6 4 Disassembly Model 3700 3703 3710 3700LF 3700LFI API Type OH2 ISO 13709 1st and 2nd Ed API 610 8 9 10 11th Ed Instal lation Operation and Main...

Page 76: ...hrust bearing end cover shim 469P Oil ring retainer Figure 44 Thrust bearing end cover removal Figure 45 Thrust bearing end cover shims 4 Remove and discard the thrust bearing end cover shims 6 4 Disassembly 74 Model 3700 3703 3710 3700LF 3700LFI API Type OH2 ISO 13709 1st and 2nd Ed API 610 8 9 10 11th Ed Instal lation Operation and Maintenance Manual ...

Page 77: ... holes and reposition them using a hooked tool made from wire SX MX LA LX XLA and XLX pumps have two oil rings SA and MA pumps have one oil ring 112 Duplex thrust bearing 114 Oil rings 122 Shaft 136 Thrust bearing locknut 168 Radial bearing 382 Lockwasher Figure 46 Shaft and bearing assembly removal 8 Bend the locking tang of the thrust bearing lockwasher away from the notch in the bearing locknut...

Page 78: ...If you have an optional radial heat flinger it replaces the standard radial de flector and is removed in the same manner except you loosen three set screws 228 360 119A 370P 123 119A Thrust end cover 123 Deflector 228 Bearing frame 360 Radial bearing end cover gasket 370P Bearing frame screws Figure 47 Radial heat flinger SA and MA Remove the radial bearing end cover and radial deflector with gask...

Page 79: ...ean gasket surfaces and align ment fits in order to remove rust and debris Repair or replace the casing if you notice any of these conditions Localized wear or grooving that is greater than 3 2 mm 1 8 in deep Pitting that is greater than 3 2 mm 1 8 in deep Irregularities in the casing gasket seat surface Casing areas to inspect The arrows point to the areas to inspect for wear on the casing 100 10...

Page 80: ...ooling equipment to balance impellers to the ISO 1940 G1 0 criteria Do not attempt to balance impellers to this criteria unless this type of tooling and equipment is available Impeller areas to inspect 101 Impeller 202 and 203 Impeller wear rings Figure 50 Areas to inspect for wear on impeller Venturi Insert Inspection 3700LFI Only Inspect the insert for excessive wear or pitting Inspect the notch...

Page 81: ...you notice corrosion or other defects Gaskets O rings and seats replacement WARNING Risk of death or serious injury Leaking fluid can cause fire and or burns Replace all gaskets and O rings at each overhaul or disassembly Replace all gaskets and O rings at each overhaul and disassembly Inspect the seats They must be smooth and free of physical defects In order to repair worn seats skin cut them in...

Page 82: ...n of the product Ensure appropriate use of fasteners during installation or reassembly of the unit Use fasteners of the proper size and material only Replace all corroded fasteners Ensure that all fasteners are properly tightened and that there are no missing fasteners 6 5 3 Shaft replacement guidelines Shaft measurement check Check the bearing fits of the shaft If any are outside the tolerances s...

Page 83: ...se is not normal wear correct the issue before you return the pump to service Replacement bearings Table 7 3700 bearings based on SKF MRC designations Replacement bearings must be the same as or equivalent to those listed in this table Group Radial inboard Thrust outboard SA 6210 C3 7310 BEGAM MA 6211 C3 7311 BEGAM SX 6212 C3 7312 BEGAM MX LA 6213 C3 7312 BEGAM LX XLA 6215 C3 7313 BEGAM XLX 6218 C...

Page 84: ...nformation 100 Casing 164 Casing wear ring Figure 53 Casing wear ring 101 Impeller 202 Impeller wear ring 203 Impeller wear ring No Requirement for 3700LF 3700LFI Figure 54 Impeller wear ring 6 5 Preassembly inspections 82 Model 3700 3703 3710 3700LF 3700LFI API Type OH2 ISO 13709 1st and 2nd Ed API 610 8 9 10 11th Ed Instal lation Operation and Maintenance Manual ...

Page 85: ...0 011 65 to 79 99 2 500 to 2 999 0 30 0 012 80 to 89 99 3 000 to 3 499 0 33 0 013 90 to 99 99 3 500 to 3 999 0 35 0 014 100 to 114 99 4 000 to 4 499 0 38 0 015 115 to 124 99 4 500 to 4 999 0 40 0 016 125 to 149 99 5 000 to 5 999 0 43 0 017 150 to 174 99 6 000 to 6 999 0 45 0 018 175 to 199 99 7 000 to 7 999 0 48 0 019 200 to 224 99 8 000 to 8 999 0 50 0 020 225 to 249 99 9 000 to 9 999 0 53 0 021 ...

Page 86: ...Improp erly setting the clearance or not following any of the proper procedures can result in sparks unexpected heat generation and equipment damage Casing impeller and seal chamber cover wear rings are held in place by a press fit and three set screws 1 Remove the wear rings a Remove the set screws b Remove the wear rings from the casing impeller and seal chamber cover using a pry or puller to fo...

Page 87: ...ring 5 Insert a new seal chamber cover wear ring a Chill a new seal chamber cover wear ring using dry ice or another suitable chilling substance and install the ring into the cover fit Be prepared to tap the ring in place with a hardwood block or soft faced hammer b Locate drill and tap three new equally spaced set screw holes between the original holes in each new ring and ring seat area c Instal...

Page 88: ...mpeller wear rings 100 Casing 164 Casing wear ring Figure 59 Casing wear ring 7 Measure the bore of the casing wear ring to establish the required impeller wear ring diameter you use to provide the recommended running clearances 8 Repeat steps 6 and 7 for the seal chamber wear ring 9 Turn the impeller wear rings to size after you mount them on the impeller 6 5 Preassembly inspections 86 Model 3700...

Page 89: ... the established specifica tions The key should be at the top 12 o clock position for the impeller installation b Install the impeller on the shaft c Install the impeller washer d Secure the impeller firmly with an impeller screw or impeller nut The impeller screw has left hand threads 11 Check the impeller wear ring runout a Mount the dial indicator b Rotate the shaft so that the indicator rides ...

Page 90: ...nspection and replacement Two seal chamber cover versions The seal chamber cover is available in two versions Standard Optional The optional version has a cooling chamber and water jacket cover and is used when elevated pumped fluid temperatures are present Seal chamber cover areas to inspect Ensure all gasket O ring sealing surfaces are clean and have no damage that would prevent seal ing Ensure ...

Page 91: ...ds 1 20 mm 0 047 in 6 5 6 1 Replace the seal chamber cover bushing The seal chamber cover bushing is held in place by a press fit and locked by three set screws 1 Remove the bushing a Remove the set screws b Press the bushing out of the fit towards the bearing frame side of the seal chamber cover bore 125 Bushing 184 Seal chamber cover Figure 62 Seal chamber cover bushing replacement 2 Install the...

Page 92: ...les d Install the set screws and upset threads 1 2 3 1 Seal chamber cover 2 Set screws 3 Bushing Figure 63 Set screw installation 6 5 7 Bearing frame inspection Checklist Check the bearing frame for these conditions Visually inspect the bearing frame and frame foot for cracks Check the inside surfaces of the frame for rust scale or debris Remove all loose and foreign ma terial Make sure that all l...

Page 93: ...585 65 000 2 5591 74 985 2 9522 75 000 2 9528 89 980 3 5425 90 000 3 5433 99 980 3 9362 100 000 3 9370 Frame ID 90 000 3 5433 90 022 3 5442 110 000 4 3307 110 022 4 3316 100 000 3 9370 100 022 3 9378 120 000 4 7244 120 022 4 7253 130 000 5 1181 130 025 5 119 160 000 6 2992 160 025 6 3002 180 000 7 0866 180 023 7 0875 Clearance 0 000 0 0000 0 037 0 0015 0 000 0 0000 0 037 0 0015 0 000 0 0000 0 037 ...

Page 94: ...29 982 5 1174 140 000 5 5118 139 982 5 5111 180 000 7 0866 179 975 7 0856 190 000 7 4802 189 975 7 4793 6 6 Reassembly 6 6 1 Assemble the power end This procedure explains how to assemble a standard ring oil or optional purge oil mist lubricated power end and includes information for the assembly of these optional features Pure oil mist lubricated power end Radial heat flinger Air cooling package ...

Page 95: ...oil lubricated power ends Oil rings are not furnished with pure oil mist lubrication Disregard any reference to those parts 1 Assemble the radial bearing 168 onto the shaft 122 The bearings are interference fit 112 Duplex thrust bearing 114 Oil rings 122 Shaft 136 Thrust bearing locknut 168 Radial bearing 382 Lockwasher Figure 65 Radial inboard bearing installation a Preheat the bearings to 120 C ...

Page 96: ...he shaft shoulder f Allow the bearing assembly to cool slowly to room temperature Do not rapidly cool the bearings with compressed air or other means g When the bearing assembly is fully cooled remove the locknut install the lockwasher 382 and install the locknut h Hand tighten the locknut with a spanner wrench Do not over tighten the bearing Tap the end of the spanner wrench with light strikes fr...

Page 97: ...bearing end cover and new end cover gasket on the bearing frame Make sure that the expulsion part is at the 6 o clock position and is properly seated For the optional air cooling package the radial heat flinger replaces the standard radial INPRO 5 Perform the following based on your pump version If your pump is Then SA or MA Press the radial INPRO oil seal into the bearing frame and make sure that...

Page 98: ...he outer races of the bearings with a compatible oil b Coat the internal bearing surfaces of the bearing frame with a compatible oil c Position the oil rings in the grooves of the shaft 6 6 Reassembly 96 Model 3700 3703 3710 3700LF 3700LFI API Type OH2 ISO 13709 1st and 2nd Ed API 610 8 9 10 11th Ed Instal lation Operation and Maintenance Manual ...

Page 99: ... If the oil rings are not properly seated in the grooves in the shaft insert a hook shaped tool made from wire through the inspection connections Reposition the oil rings as necessary to seat them in the grooves f Check that the shaft turns freely If you notice rubbing or binding determine the cause and correct it 7 Replace the oil ring inspection connection plugs 8 Replace the two oil ring retain...

Page 100: ...Install three thrust bearing end cover gaskets on the bearing end cover 2 Align the gaskets to the end cover so that the openings in the gaskets align with the oil grooves on the end cover 109A Thrust bearing end cover 228 Bearing frame 360A Thrust bearing end cover gaskets Figure 69 Bearing frame assembly 2 Install the thrust bearing end cover over the shaft and onto the bearing frame 3 Install a...

Page 101: ...ove or add the appropri ate quantity of individual shims or gaskets to obtain the proper total travel 6 Perform the following based on your pump If your pump is Then SX MX LA LX XLA XLX or XXL 1 Remove the thrust bearing end cover 2 Press the INPRO seal into the thrust bearing end cover and ensure that the expul sion part is at the 6 o clock position and is properly seated 3 Install the O ring int...

Page 102: ... flinger set screws firmly Does not have the optional air cooling package 1 Install and tighten the thrust bearing end cover and bearing frame screws evenly to the torque values in the Maximum torque values for 3700 fasteners table 2 Verify that the shaft turns freely If you detect rubbing or excessive drag then deter mine the cause and correct it 122 Shaft 123B Radial deflector fan 123E Thrust de...

Page 103: ...g the shaft surface for 360 If the total indi cator reading is greater than 0 050 mm 0 002 in then determine the cause and correct it Bear ing frame face 1 Mount the dial indicator on the shaft 2 Rotate the shaft so that the indicator rides along the bearing frame face for 360 If the total indicator reading is greater than 0 10 mm 0 004 in then disassemble and determine the cause and correct it 6 ...

Page 104: ... fittings removed during disassembly including the oil drain plug and the sight glass 11 If your power end has the optional water cooling package install the finned tube cooling assembly into the bearing frame 6 6 3 Install the optional water jacket cover 1 Install the outer and inner water jacket cover O rings into the grooves in the water jacket cover 6 6 Reassembly 102 Model 3700 3703 3710 3700...

Page 105: ...bricant 3 Insert the water jacket cover with O rings into the fit in the seal chamber cover Make sure that the water jacket cover enters uniformly and that the O rings are not damaged 6 6 4 Install the seal chamber cover 1 Install the eyebolt in the tapped hole provided in the seal chamber cover 6 6 Reassembly Model 3700 3703 3710 3700LF 3700LFI API Type OH2 ISO 13709 1st and 2nd Ed API 610 8 9 10...

Page 106: ...all the seal chamber cover and bearing frame bolts c Tighten the bolts evenly using an alternating pattern Torque the bolts to values shown in the Maximum torque values for 3700 fasteners table 5 Check the seal chamber cover face runout a Mount the dial indicator on the shaft b Rotate the shaft so that the indicator rides along the seal chamber cover face for 360 If the total indicator reading is ...

Page 107: ...e and correct it Figure 75 Seal chamber cover lock runout NOTICE The impeller and wear ring clearance setting procedures must be followed Improp erly setting the clearance or not following any of the proper procedures can result in sparks unexpected heat generation and equipment damage 7 Check the seal chamber cover wear ring runout 6 6 Reassembly Model 3700 3703 3710 3700LF 3700LFI API Type OH2 I...

Page 108: ...o that the indicator rides along the seal chamber face for 360 If the total indicator reading is greater than the values shown in this table determine the cause and correct it Table 10 Maximum Allowable Seal Chamber Face Runout Group Maximum Allowable Total Indicator Reading SA 0 045 mm 0 0018 in SX MA 0 05 mm 0 002 in MX LA 0 06 mm 0 0024 in LX XLA 0 065 mm 0 0026 in XLX 0 07 mm 0 0028 in XXL 0 0...

Page 109: ... the cause and correct it Figure 78 Seal chamber lock register runout 6 6 5 Install the cartridge type mechanical seal and seal chamber cover NOTICE Refer to the mechanical seal manufacturer s drawings and instructions for assistance during the installation of the mechanical seal 1 Remove the impeller a Loosen and remove the impeller nut 6 6 Reassembly Model 3700 3703 3710 3700LF 3700LFI API Type ...

Page 110: ...so that it aligns with the shaft c Install the seal chamber cover on the power end by guiding the cover carefully over the car tridge seal rotary Ensure that the gland studs smoothly enter the holes in the cartridge seal gland and that the cover fits into the bearing frame lock d Install the seal chamber cover and bearing frame bolts and tighten them using an alternating pattern Torque the bolts t...

Page 111: ...op 12 o clock position for the impeller installation 2 Install the impeller on the shaft Apply anti galling compound to the impeller bore to aid in assembly and disassembly 3 Install the impeller nut and tighten to the torque values shown in the Maximum torque values for 3700 fasteners table The impeller nut has left hand threads 4 Tighten the set screw in the end of the impeller nut 5 Verify that...

Page 112: ...tion for the impeller installation 3 Install the impeller on the shaft 4 Install the impeller capscrew and tighten to the torque values shown in the Maximum torque values for 3700 fasteners table The impeller capscrew has left hand threads 5 Verify that the shaft turns freely If you notice any rubbing or excessive drag then determine the cause and correct it 6 6 10 Install the coupling hub CAUTION...

Page 113: ...in the casing by loosening the jacking bolts evenly Make sure that the casing gasket is not damaged 4 Install the casing stud nuts 5 Inspect the gap between the seal chamber cover and casing and adjust the casing stud nuts as necessary to make the gap uniform 6 Tighten the casing stud nuts uniformly using an alternating pattern until the seal chamber cover is in metal to metal contact with the cas...

Page 114: ...ischarge flange 3 Install the venturi insert studs and hex nuts to the casing Tighten the nuts in an alternating pattern until the insert flange is metal to metal with the casing Tighten each nut to the torque values shown in the maximum torque values table Item No Description 100 Case 100W Venturi insert 3510 Venturi insert gasket 362A Insert stud 362B Insert hex nuts 362C Insert jacking bolt Fig...

Page 115: ...i seize K 0 15 1 4 20 0 0318 2337 9 7 9 7 5 16 18 0 0524 3851 20 15 20 15 3 8 16 0 0775 5696 37 27 37 27 7 16 14 0 1063 7813 58 43 58 43 1 2 13 0 1419 10430 88 65 88 65 9 16 12 0 1819 13370 127 94 127 94 5 8 11 0 2260 16611 176 130 176 130 3 4 10 0 3345 24586 312 230 312 230 7 8 9 0 4617 33935 503 371 503 371 1 8 0 6058 44526 755 557 755 557 1 125 7 0 7633 56103 1070 789 1070 789 1 125 8 0 79045 5...

Page 116: ...erial classes In some cases superior materials are substituted Goulds 2226 2228 2229 ASTM A193 B8 and B8M ASTM A276 Tp 304 ASTM A582 Tp 303 SAE F593 Table 12 300 Series Stainless Steel Fasteners Bolt Dia D in threads inch Tensile Stress Area Ab sq in 2226 2228 303 304SS SAE F593 Group 1 2229 316SS SAE F593 Group 2 Yield strength 65000 psi for 0 25 dia 0 625 45000 psi for 0 75 dia 1 5 A193 B8 B8M C...

Page 117: ...72 3151 74697 2849 2101 2 375 8 3 987 125591 5054 3728 83727 3371 2486 2 5 4 3 999 125969 5338 3937 83979 3558 2624 2 5 8 4 442 139923 5929 4373 93282 3952 2915 2 625 8 4 921 155012 6896 5086 103341 4598 3391 2 75 4 4 934 155421 7244 5343 103614 4829 3562 2 75 8 5 425 170888 7964 5874 113925 5309 3916 2 875 8 5 953 187520 9137 6739 125013 6092 4493 3 4 5 967 187961 9557 7049 125307 6371 4699 3 8 6...

Page 118: ...61 2110 2 25 4 5 3 248 81850 3121 2302 2 25 8 3 557 89636 3418 2521 2 375 8 3 987 100472 4044 2983 2 5 4 3 999 100775 4269 3149 2 5 8 4 442 111938 4743 3498 2 625 8 4 921 124009 5517 4069 2 75 4 4 934 124337 5795 4274 2 75 8 5 425 136710 6371 4699 2 875 8 5 953 150016 7309 5391 3 4 5 967 150368 7645 5639 3 8 6 506 163951 8336 6148 6 6 14 4 Spare parts Critical services spare parts For critical ser...

Page 119: ...cable for 3700 3710 Finned tube cooling assembly 494 Impeller nut 304 Applicable for 3700 3710 3703 Impeller cap screw 198 Applicable for 3700LF 3700LFI Impeller wear ring casing side 202 Applicable for 3700 3710 Impeller wear ring cover side 203 Applicable for 3700 3710 Oil rings 114 Oiler with wire guard 251 Radial bearing 168 Radial bearing end cover gasket 360 Seal chamber cover wear ring 230 ...

Page 120: ...pumping The pump is not primed Re prime the pump and check that the pump and suction line are full of liquid The suction line has air or vapor pockets Rearrange the piping in order to eliminate air pockets The suction line has an air leak Repair the leak The bearings are running hot The pump and driver are not aligned prop erly Realign the pump and driver There is not sufficient lubrication Check ...

Page 121: ...y and is probably twisted 1 Determine which corners of the baseplate are high or low 2 Remove or add shims at the appropriate cor ners 3 Realign the pump and driver 7 3 Assembly troubleshooting Table 14 Troubleshooting procedure Symptom Cause Remedy There is excessive shaft end play The internal clearance of the bearings is excessive Replace the bearings with a bear ing of the correct type The thr...

Page 122: ...618 119A Radial bearing end cover 3700LFI only 1 1212 122 Shaft 1 2238 2256 2244 2256 123 INPRO radial 1 1618 123A INPRO thrust 1 1618 123B Deflector fan radial 1 1425 123C Deflector fan thrust 1 1425 125 Throat bushing seal chamber 1 1001 2244 2256 2244 2256 136 Locknut bearing 1 Steel 164 Wear ring casing 3700 3710 3703 only 1 1001 1232 6983 1232 6983 168 Ball bearing radial 1 Steel 178 Key impe...

Page 123: ...ng end cover 3 Vellumoid 362A Venturi Insert stud 3700 LFI only By Size N A 2292 362B Venturi Insert hex nut 3700 LFI only By Size N A 2285 362C Venturi insert jack bolt 3700 LFI only 2 N A 2292 370H Screw bearing frame and seal chamber cover 4 2210 370N Screw thrust bearing end cover 5 2210 370P Screw radial bearing end cover 5 2210 370W Counter sink cap screw 3700 LFI only 4 2210 382 Lockwasher ...

Page 124: ...l 2210 A108 Gr 1211 UNS G12110 316 stainless steel 2229 A276 Type 316 4140 steel 2238 A434 Gr 4140 Class BC 4140 steel 2239 A193 Gr B7 410 stainless steel 2244 A276 Type 410 UNS S41000 316L stainless steel 2256 A276 Type 316L UNS S31603 4140 steel 2285 A194 Gr 2H Steel 3201 A283 Grade D 316L stainless steel 3223 A240 Type 316L Colmonoy 6 with 316L Base 6983 A743 CF 3M Table 17 Fasteners and plugs ...

Page 125: ...ogy Asia Pte Ltd 1 Jalan Kilang Timor 04 06 Singapore 159303 65 627 63693 65 627 63685 Europe ITT Goulds Pumps Millwey Rise Industrial Estate Axminster Devon England EX13 5HU 44 1297 639100 44 1297 630476 Latin America ITT Goulds Pumps Camino La Colina 1448 Condominio Industrial El Rosal Huechuraba Santiago 8580000 Chile 562 544 7000 562 544 7001 Middle East and Africa ITT Goulds Pumps Achileos Ky...

Page 126: ...ment and more information www gouldspumps com Goulds Pumps 240 Fall Street Seneca Falls NY 13148 USA 2020 ITT Inc The original instruction is in English All non English instructions are translations of the original instruction Form IOM 3700 en US 2020 09 ...

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